JL Nebula 270 1-¾ MRI Water Mist Fire Extinguisher. Non-magnetic. MR Conditional to 11.7 Tesla. Class A and C fire protection for MRI suites, hospitals, and labs. The JL Nebula 270 1-¾ gal water mist non-magnetic MRI fire extinguisher is manufactured with a non-magnetic stainless steel cylinder and a stainless steel misting nozzle designed for safe...